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Communications of the ACM

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The blog archive provides access to past blog postings from Communications of the ACM and other sources by date.

February 2015


From The Eponymous Pickle

Graph Databases and Modeling the Internet of Things

Graph Databases and Modeling the Internet of Things

Have had a number of conversations on the use of graphical databases lately.  It is a good technology to understand.    It works well with anything that is interconnected.  As are people and any communicating things.  Obviously…


From The Eponymous Pickle

Building a Mobile Supply Chain

Building a Mobile Supply Chain

By their nature, supply chains are mobile and real time:" .... Embracing mobility promises to increase visibility and responsiveness in the supply chain when properly leveraged. For these reasons, businesses are more and more…


From The Eponymous Pickle

Searching on Amazon vs Google

Searching on Amazon vs Google

Thought about this the other day.  Where do I search?  Google,  Amazon, Wikipedia.   My own blog posts.   I typically categorize my search need quickly to make a decision.   Overlap often exists.


From insideHPC

Three GPU Hackathons Going Global with OpenACC

Three GPU Hackathons Going Global with OpenACC

NCSA, ORNL, and CSCS will host a series of GPU Hackathons in 2015.


From XRDS

Using static analysis to evaluate Java exception handling

Using static analysis to evaluate Java exception handling

Static analysis is a method that one can use in order to analyze, understand, and assess the quality of a program. The main strength of static analysis is the pinpointing of coding errors without the execution of a program. In…


From The Computing Community Consortium Blog

CCC Aging in Place Workshop Report

CCC Aging in Place Workshop Report

The organizing committee for the Computing Community Consortium (CCC) Trans-NIH/Interagency Workshop on the Use and Development of Assistive Technology for the Aging Population and People with Chronic Disabilities have released…


From Schneier on Security

Twitpic

Twitpic

On Monday, I asked Adm. Rogers a question. EDITED TO ADD: The question....


From Putting People First

5 imperatives of user experience design in mobile health technology

5 imperatives of user experience design in mobile health technology

David Lee Scher, MD – Owner & Director, DLS Healthcare Consulting discusses what he thinks are five important issues in achieving the ideal mobile technology user experience, specifically for those technologies hoping to enter…


From Putting People First

“I’m divorcing my Nest thermostat”

“I’m divorcing my Nest thermostat”

Kara Pernice, the Managing Director at the Nielsen Norman Group, was a proud early adopter of the unique, cool, and pretty Nest device: “It helped me save energy, and communicated to me. But things went bad when it let me down…


From Putting People First

How do people save/share/revisit on mobile devices?

How do people save/share/revisit on mobile devices?

In early January, Mozilla UX conducted user research to refresh their understanding of how people save, share, and revisit mobile content with the goal of building a knowledge base for a larger contextual research project on…


From insideHPC

CoolIT Systems Cites Growing Demand for Liquid Cooling

CoolIT Systems Cites Growing Demand for Liquid Cooling

Today CoolIT Systems announced 2014 financials and growing demand for the company's Direct Contact Liquid Cooling technologies.


From insideHPC

Cray XC30 Powers LS-DYNA at Stalprodukt

Cray XC30 Powers LS-DYNA at Stalprodukt

Today Cray announced that Stalprodukt S.A., a leading global steel processor, purchased a Cray XC30 supercomputer for structural analysis modeling used in the testing of steel designs.


From insideHPC

Seagate ClusterStor Secure Data Appliance

Seagate ClusterStor Secure Data Appliance

The Seagate ClusterStor Secure Data Appliance (SDA) is the HPC industry’s first scale-out secure storage system officially ICD-503 certified to consolidate multiple previously isolated systems, maintain data security, enforce…


From insideHPC

Open Fabrics Workshop to Focus on Application Performance, NVM, and SoCs

Open Fabrics Workshop to Focus on Application Performance, NVM, and SoCs

Today the Open Fabrics Alliance announced that their upcoming International OFS Developers’ Workshop will center around three major themes: Applications Performance, Non-Volatile Memory, and Systems-on-a-Chip (SoCs).


From insideHPC

Video: Inside the Raijin Supercomputer Down Under

Video: Inside the Raijin Supercomputer Down Under

In this video, Questacon visits NCI to take a look at Raijin, the southern hemisphere's first petaflop super computer. "Raijin, named after the Shinto God of thunder, lightning and storms, is a Fujitsu Primergy high-performance…


From Schneier on Security

AT&T Charging Customers to Not Spy on Them

AT&T Charging Customers to Not Spy on Them

AT&T is charging a premium for gigabit Internet service without surveillance: The tracking and ad targeting associated with the gigabit service cannot be avoided using browser privacy settings: as AT&T explained, the program…


From Computer Science Teacher - Thoughts and Information From Alfred Thompson

Simulations Are More Fun

Simulations Are More Fun

One of my favorite computer science teachers, Judy Hromcik from Texas, posted a link to a video called “The last banana: A thought experiment in probability.” The video outlines a particular statistical problem.

“Imagine a game…


From U.S. Public Policy Committee of the ACM

Hill Tech Happenings, Week of February 23

Hill Tech Happenings, Week of February 23

February 25 Hearing: The Senate Commerce, Science and Transportation Committee will hold a hearing titled “Preserving the Multistakeholder Model of Internet Governance.” 10 a.m., 253 Russell Building The Communications and Technology…


From The Computing Community Consortium Blog

NIH Data Science wants to hear from YOU! 

NIH Data Science wants to hear from YOU! 

The new NIH Data Science blog needs your help to start a conversation about Computational and Quantitative Collaborative Projects. Excerpt from their blog: Many biomedical challenges require collaborations between biomedical…


From The Female Perspective of Computer Science

One Instructor's Flipped Classroom Philosophy

One Instructor's Flipped Classroom Philosophy

Earlier this month, our Education Development Centre hosted a teaching round table on the flipped classroom.  At the session, engineering instructor Shermeen Nizami shared her philosophy for flipping her own fourth year undergraduate…


From insideHPC

Video: OpenACC Interoperability with CUDA C and Fortran

Video: OpenACC Interoperability with CUDA C and Fortran

"Developed by PGI, Cray, and NVIDIA, the OpenACC directives are a shared vision of how directives can simplify the programming model for accelerators, where each vendor is committed to support a common programming standard." …


From insideHPC

UMBC Powers Climate Research with Dell | Terascala HPC Storage

UMBC Powers Climate Research with Dell | Terascala HPC Storage

Today Terascala announced that the University of Maryland, Baltimore County (UMBC) HPC Facility is using the company's software to manage Lustre-based parallel storage.


From Computational Complexity

Eliminate the Postal Service

It's gotten very difficult to mail a letter these days. There are no mailboxes along my ten mile commute. Georgia Tech has contracted with an outside company to handle outgoing mail. To send a piece of mail requires filling out…


From Schneier on Security

Cell Phones Leak Location Information through Power Usage

Cell Phones Leak Location Information through Power Usage

New research on tracking the location of smart phone users by monitoring power consumption: PowerSpy takes advantage of the fact that a phone's cellular transmissions use more power to reach a given cell tower the farther it…


From insideHPC

Pearl Hacks Event to Promotes Women Programmers

Pearl Hacks Event to Promotes Women Programmers

RENCI is sponsoring this year's Pearl Hacks, a two-day event designed to encourage college and high-school age women to develop their interest in technology.


From The Eponymous Pickle

Technology Disruption in Health Care

Technology Disruption in Health Care

Video interview: Dr. Robert Wachter, chief of hospital medicine at UCSF Medical Center and a noted expert on quality and safety, says information technology is disrupting healthcare in unexpected and sometimes unfortunate ways…


From The Eponymous Pickle

An Adaptive Dance of Drones

An Adaptive Dance of Drones

In NewScientist: Drones continue to advance, their cooperation, adaption and autonomy is particularly interesting.


From The Eponymous Pickle

Visualizing Sound

Visualizing Sound

In the CACM:" .... In the movies, people often discover their room is bugged when they find a tiny microphone attached to a light fixture or the underside of a table. Depending on the plot, they can feed their eavesdroppers false…


From The Eponymous Pickle

Multi Sensory Computer

Multi Sensory Computer

In Forbes, on the IBM Chip:Meet The Brain-Inspired Computer Chip That Can Smell, Feel And Hear By Dharmendra S. Modha, Ph.D., IBM ResearchBuilding a computer that could match the power of the human brain has long been a goalIn…


From The Eponymous Pickle

Storeless Generation

Storeless Generation

How can the 'storeless' generation be won back?   Good thoughts important to retail." .... But can a big-box store truly be a third space in the classic Oldenburg sense? Recent research suggests yes, but stores need to make a…